<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item to="/home">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
      <!-- 搜索 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" @keyup.enter.native="getGoodsList" clearable @clear="getGoodsList">
            <el-button @click="getGoodsList" slot="append" icon="el-icon-search"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddGoodsPage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- table表格 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="90px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" width="150px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dataFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="editGoods(scope.row)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="delGoods(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[10, 20, 30, 40]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background> </el-pagination>
    </el-card>
  </div>
</template>

<script>
import { getGoodsList, removeGoods } from '@/api'
export default {
  name: 'GoodsLists',
  data() {
    return {
      // 查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      // 分页总条数
      total: 0
    }
  },
  methods: {
    async getGoodsList() {
      const { data: res } = await getGoodsList(this.queryInfo)
      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败')
      if (!res.data.goods.length) {
        this.pagenum--
        if (this.queryInfo.pagenum < 1) {
          return this.$message.warning('暂无数据')
        }
        return this.getGoodsList()
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    // 编辑商品
    editGoods(val) {
      console.log(val)
    },
    // 删除商品
    async delGoods(id) {
      console.log(id)
      const ress = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch((err) => err)
      if (ress === 'confirm') {
        const { data: res } = await removeGoods(id)
        if (res.meta.status !== 200) return this.$message.error('删除商品失败')
        this.$message.success('删除商品成功')
        this.getGoodsList()
      }
    },
    // 每页显示条数
    handleSizeChange(val) {
      this.queryInfo.pagesize = val
      this.getGoodsList()
    },
    // 切换分页
    handleCurrentChange(val) {
      this.queryInfo.pagenum = val
      this.getGoodsList()
    },
    // 跳转添加页面
    goAddGoodsPage() {
      this.$router.push('/home/goods/add')
    }
  },
  created() {
    this.getGoodsList()
  }
}
</script>

<style lang="less" scoped></style>
